X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fdropdown.cpp;h=ce0ba71f642c45ca7f672e4bf8e80f78d8fb60ed;hb=c8291177b545ec81930603a5915234a60296db51;hp=d120c85856e60b76730ef24f4cb4b0d74e99f61a;hpb=deb15ee122f963ca41121e8358d5845401ac43ca;p=libs%2Fgltk.git diff --git a/source/dropdown.cpp b/source/dropdown.cpp index d120c85..ce0ba71 100644 --- a/source/dropdown.cpp +++ b/source/dropdown.cpp @@ -1,15 +1,9 @@ -/* $Id$ - -This file is part of libmspgltk -Copyright © 2007-2009 Mikko Rasa, Mikkosoft Productions -Distributed under the LGPL -*/ - #include #include "dropdown.h" #include "list.h" #include "panel.h" #include "part.h" +#include "root.h" #include "style.h" #include "text.h" @@ -18,60 +12,77 @@ using namespace std; namespace Msp { namespace GLtk { -Dropdown::Dropdown(const Resources &r): - Widget(r), - Container(r), - list(r), - dropped(false) +Dropdown::Dropdown() { - add(list); - list.signal_item_selected.connect(sigc::mem_fun(this, &Dropdown::list_item_selected)); - - update_style(); + init(); } -void Dropdown::append(const string &item) +Dropdown::Dropdown(ListData &d): + list(d) { - list.append(item); - resize_list(); + init(); } -void Dropdown::insert(unsigned i, const string &v) +void Dropdown::init() { - list.insert(i, v); - resize_list(); -} + dropped = false; -void Dropdown::remove(unsigned i) -{ - list.remove(i); - resize_list(); + add(list); + list.set_view_all(); + list.signal_item_selected.connect(sigc::mem_fun(this, &Dropdown::list_item_selected)); + list.signal_autosize_changed.connect(sigc::mem_fun(this, &Dropdown::list_autosize_changed)); } -void Dropdown::clear() +void Dropdown::autosize() { - list.clear(); - resize_list(); -} + if(!style) + return; -unsigned Dropdown::get_n_items() const -{ - return list.get_n_items(); + Widget::autosize(); + list.autosize(); + geom.w = max(geom.w, list.get_geometry().w); + + if(const Part *text_part = style->get_part("text")) + { + const Sides &margin = text_part->get_margin(); + const GL::Font &font = style->get_font(); + float font_size = style->get_font_size(); + + unsigned max_w = 0; + const ListData &data = list.get_data(); + for(unsigned i=0; i(font.get_string_width(data.get_string(i))*font_size); + max_w = max(max_w, w); + } + geom.w = max(geom.w, max_w+margin.left+margin.right); + + unsigned line_height = static_cast((font.get_ascent()-font.get_descent())*font_size); + geom.h = max(geom.h, line_height+margin.top+margin.bottom); + } + + rebuild(); } -void Dropdown::set_selected_index(int i) +void Dropdown::set_selected_index(int index) { - list.set_selected_index(i); + list.set_selected_index(index); + if(index<0) + text.set(string()); } -const string &Dropdown::get_selected() const +void Dropdown::rebuild_special(const Part &part) { - return list.get_selected(); + if(part.get_name()=="text") + text.build(part, geom, part_cache); + else + Widget::rebuild_special(part); } -int Dropdown::get_selected_index() const +void Dropdown::render_special(const Part &part, GL::Renderer &renderer) const { - return list.get_selected_index(); + if(part.get_name()=="list" && dropped) + list.render(renderer); } void Dropdown::button_press(int x, int y, unsigned btn) @@ -82,63 +93,90 @@ void Dropdown::button_press(int x, int y, unsigned btn) if(!click_focus) { dropped = false; - state &= ~ACTIVE; + clear_state(ACTIVE); signal_ungrab_pointer.emit(); } } else if(btn==1) { dropped = true; - state |= ACTIVE; + set_state(ACTIVE); signal_grab_pointer.emit(); } } -void Dropdown::render_special(const Part &part) const +void Dropdown::on_geometry_change() { - if(part.get_name()=="text") - { - if(list.get_selected_index()>=0) - Text(*style, list.get_selected()).render(part, geom); - } - else if(part.get_name()=="list" && dropped) - list.render(); + resize_list(); } -void Dropdown::on_geometry_change() +void Dropdown::on_style_change() +{ + text.set_style(style); + resize_list(); +} + +void Dropdown::list_autosize_changed() { resize_list(); + signal_autosize_changed.emit(); } void Dropdown::resize_list() { list.autosize(); - const Geometry &lgeom = list.get_geometry(); - list.set_geometry(Geometry(0, -lgeom.h, max(geom.w, lgeom.w), lgeom.h)); + Geometry lgeom = list.get_geometry(); + lgeom.x = 0; + lgeom.y = -lgeom.h; + lgeom.w = max(geom.w, lgeom.w); + int root_x = geom.x; + int root_y = geom.y; + for(Widget *p=parent; p; p=p->get_parent()) + { + root_x += p->get_geometry().x; + root_y += p->get_geometry().y; + if(Root *root = dynamic_cast(p)) + { + const Geometry &rgeom = root->get_geometry(); + if(lgeom.h*2>rgeom.h) + lgeom.h = rgeom.h/2; + if(root_y+lgeom.y<0) + lgeom.y = -root_y; + if(root_y+lgeom.y+lgeom.h>rgeom.h) + lgeom.y = rgeom.h-lgeom.h-root_y; + if(root_x+lgeom.x+lgeom.w>rgeom.w) + lgeom.x = rgeom.w-lgeom.w-root_x; + break; + } + } + list.set_geometry(lgeom); } -void Dropdown::list_item_selected(unsigned index, const std::string &item) +void Dropdown::list_item_selected(unsigned index) { if(dropped) { dropped = false; - state &= ~ACTIVE; + clear_state(ACTIVE); signal_ungrab_pointer.emit(); } - signal_item_selected.emit(index, item); + text.set(list.get_data().get_string(index)); + + signal_item_selected.emit(index); + rebuild(); } Dropdown::Loader::Loader(Dropdown &d): - Widget::Loader(d) + DataFile::DerivedObjectLoader(d) { add("item", &Loader::item); } -void Dropdown::Loader::item(const string &str) +void Dropdown::Loader::item(const string &v) { - dynamic_cast(wdg).append(str); + dynamic_cast &>(obj.list.get_data()).append(v); } } // namespace GLtk